Instructables

Electromagnetic Actuator

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Step 4: Wind bobbin

Scrolling to the bottom of the design table spreadsheet will reveal a number of wire guage choices. Hopefully, one of these will work with your amplifier.

Wind the magnet wire onto the bobbin. With either a lathe or a bobbin winding machine. Try to keep relatively constant tension on the wire as you wind the coil.

Wrap electrical tape around the finished windings or pot in epoxy.
 
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